Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks. Reasoning effort behavior: - low / medium: 4 agents - high / xhigh: 16 agents

ChatxAI2M tokens$1.3626 / $2.7251 · 1M

x-ai/grok-4.20-multi-agent

Context
2M tokens
Completion cap
1,800,000
Tools
No
JSON
Yes
Released
2026-03-31

Call it from Geek Hub

Same OpenAI SDK. Change the base URL and the model id.

curl https://api.geekhub.mx/v1/chat/completions \
  -H "Authorization: Bearer $GEEKHUB_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.20-multi-agent",
    "messages": [{"role": "user", "content": "Hola"}]
  }'
Get an API key

Frequently asked questions

What is Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information across complex tasks. Reasoning effort behavior: - low / medium: 4 agents - high / xhigh: 16 agents Grok 4.20 Multi-Agent runs on the Geek Hub API (OpenAI-compatible). Model id: x-ai/grok-4.20-multi-agent.
Is Grok 4.20 Multi-Agent free?
No. Input is $1.3626 per 1M tokens and output is $2.7251 per 1M tokens on Geek Hub (markup included).
What is the context length of Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent has a 2M tokens context window. It supports up to 1,800,000 completion tokens.
Does Grok 4.20 Multi-Agent support tool calling and structured outputs?
Grok 4.20 Multi-Agent does not advertise tool calling on this endpoint. It also supports structured outputs via a JSON schema in response_format.
When was Grok 4.20 Multi-Agent released?
Grok 4.20 Multi-Agent was released on 2026-03-31.

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